Abstract: The present invention provides a conveyor system for influencing the spacing between successive products during transport thereof in a direction of transport between a charge end and a discharge end, comprising a number of end-to-end conveying modules, a main frame, to which the conveying modules are connected, each conveying module comprising a frame and a number of parallel endless conveyor belts which are passed over pulleys provided at the front side and the rear side of the conveying module in question, which pulleys are rotatable with respect to the frame, as well as drive means comprising a motor for driving all the conveyor belts of the module, said conveyor system further comprising control means for individually controlling the drive means of each conveying module, as well as a method for maintaining a conveying module that forms part of such a conveyor system.